Display screen or portion thereof with a graphical user interface for messaging



FIG. 1 is a front view of a display screen or portion thereof with a first embodiment of a graphical user interface for messaging showing the new design in a first position.

FIG. 2 is a front view of a display screen or portion thereof with a first embodiment of a graphical user interface for messaging showing the new design in a second position.

FIG. 3 is a front view of a display screen or portion thereof with a first embodiment of a graphical user interface for messaging showing the new design in a third position.

FIG. 4 is a front view of a display screen or portion thereof with a first embodiment of a graphical user interface for messaging showing the new design in a fourth position.

FIG. 5 is a front view of a display screen or portion thereof with a first embodiment of a graphical user interface for messaging showing the new design in a fifth position.

FIG. 6 is a front view of a display screen or portion thereof with a second embodiment of a graphical user interface for messaging showing the new design in a first position.

FIG. 7 is a front view of a display screen or portion thereof with a second embodiment of a graphical user interface for messaging showing the new design in a second position.

FIG. 8 is a front view of a display screen or portion thereof with a second embodiment of a graphical user interface for messaging showing the new design in a third position.

FIG. 9 is a front view of a display screen or portion thereof with a second embodiment of a graphical user interface for messaging showing the new design in a fourth position; and,

FIG. 10 is a front view of a display screen or portion thereof with a second embodiment of a graphical user interface for messaging showing the new design in a fifth position.

Within the drawings, the dotted lines, the dot-dash lines, and the areas within the dotted or dot-dash lines show unclaimed portions of the display screen, portions of the display screen, text, or graphical elements, and form no part of the claimed design.

The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-5, and 6-10. The process or period in which one image transitions to another image forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with a graphical user interface for messaging, as shown and described. 